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Question 1

How does the IMA run?

Answer 1

downwards and to the left and crosses the left common iliac artery medial to the ureter

Question 2

When does the inferior mesenteric artery change its name to the superior rectal artery?

Answer 2

After it gives of sigmoidal branches when it crosses the pelvic brim

(makes sense bc the rectum is right after the sigmoid)

Question 3

What are the branches of the IMA?

Answer 3

Left colic

Sigmoidal arteries

Superior rectal artery

Question 4

What anastamoses with the left colic artery?

Answer 4

The ascending branch of the left colic artery anastmoses with The left branch of the middle colic artery

Question 5

What anastamoses with the sigmoidal arteries?

Answer 5

The highest sigmoidal artery anastomoses with the descending branch of the left colic artery.

Question 6

What does the superior rectal artery supply?

Answer 6

The rectum and superior part of the anal canal

Question 7

What is the marginal artery?

Answer 7

Anastomosis between SMA and IMA

Question 8

What forms the marginal artery of drummond?

Answer 8

The anastmosing branches of the colic arteries which produces an arterial arcade called the marginal artery of drummond.

Question 9

Where does the marginal artery begin and end?

Answer 9

Begins at the illeocecal junction and ends by anastmoses with the superior rectal artery